HD7770-2GD5 - ASUS HD7770-2GD5 ASUS HD7770-2GD5 Radeon HD 7770 GHz Edition 2GB 128-bit GDDR5 PCI Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. HD7770-2GD5